Edge of Hades

A woman, Hades, and her mom known as Mama both have a psychotic break and start killing men. They start by killing Hades dad and brother then Hades ex husband, but when Hades meets a man, David, and she decides that she wants to try to have a life with him, Mama, first tells Hades that she must kill David, or she will do it, but Hades kills Mama instead.